Indoor radon is the second cause of lung cancer. Mitigation strategies are based on (i) building protection with radon barrier materials. (ii) increasing home ventilation or (iii) room pressurization. A scale model room created with a porous ignimbrite rich in radon precursors was used as an analogue to test the indoor radon reduction ability of various radon barrier materials in a re... https://parisnaturalfoodes.shop/product-category/deodorant-cream-geranium/